Cavitation detection with subharmonic emissions by low intensity sustaining ultrasound

Shin Yoshizawa, Shinichiro Umemura

研究成果: Conference article査読

抄録

Control of acoustic cavitation by ultrasound pulse has been investigated recently. Cavitation detection is an factor for the cavitation control. In this study, detection which has been used to detect the acoustic in continuous sonication is applied to pulsed sequence using low intensity sustaining ultrasound. sustaining ultrasound follows just after the high intensity pulse. The power of the sustaining ultrasound is low to avoid cavitation inception by itself. When the microbubbles are generated and grow to the certain by the high intensity pulsed ultrasound, the sustaining prevents the dissolution due to rectified diffusion. , the bubbles can grow enough to emit subharmonic pressure. With this method, the cavitation generated by pulsed ultrasound was clearly detected.

本文言語English
論文番号4803608
ページ(範囲)772-775
ページ数4
ジャーナルProceedings - IEEE Ultrasonics Symposium
DOI
出版ステータスPublished - 2008 12 1
イベント2008 IEEE International Ultrasonics Symposium, IUS 2008 - Beijing, China
継続期間: 2008 11 22008 11 5

ASJC Scopus subject areas

  • Acoustics and Ultrasonics

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